Merge pull request #4 from mredar/master

merge from mark
better fix for undefined DEBUG issue
less setting polluting solution to unset variable issues
ansible bootstrap from stack_nuxeo
don't need the pkgsrc ansible b/c it is too old
Ansible playbook for apache and shibboleth setup
gettint monit set up, noticed we are not an the latest AMI

check http://aws.amazon.com/amazon-linux-ami/ for current AMI